205377660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{380329}}^1$

素因数の和:380347

約数の個数: 48

約数和(自身を含む): 638954400

約数和(自身を除く): 433576740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 380329, 760658, 1140987, 1521316, 1901645, 2281974, 3422961, 3803290, 4563948, 5704935, 6845922, 7606580, 10268883, 11409870, 13691844, 17114805, 20537766, 22819740, 34229610, 41075532, 51344415, 68459220, 102688830, 205377660]

約数ペア:

[(1, 205377660), (2, 102688830), (3, 68459220), (4, 51344415), (5, 41075532), (6, 34229610), (9, 22819740), (10, 20537766), (12, 17114805), (15, 13691844), (18, 11409870), (20, 10268883), (27, 7606580), (30, 6845922), (36, 5704935), (45, 4563948), (54, 3803290), (60, 3422961), (90, 2281974), (108, 1901645), (135, 1521316), (180, 1140987), (270, 760658), (540, 380329)]